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Editor’s note: This is part of a series of articles leading up to the 20th annual Food Safety Summit. The event, from May 7-10 at the Donald Stephens Convention Center in suburban Chicago, includes certification courses; a trade show with exhibitors from industry, academia and government; an extensive list of seminars and panel discussions; and

Research studies are generally good. They can add to our knowledge and understanding of our world. However, making decisions based on any one study — especially before we understand it fully — is not good. In fact, that leads to the type of knee-jerk reaction we saw when one retailer recently decided to withdraw unrefrigerated …